Reverse Osmosis Water • Ultra-pure, Low in Minerals • Suitable for All Carnivorous Plants!

Pure, Low-Mineral Water for Healthier Carnivorous Plants

Carnivorous plants must be grown using pure, low-mineral water. Tap water, borehole water and even filtered drinking water often contain salts and minerals that can build up in the soil and damage sensitive roots. For best results, always use collected rainwater or reverse osmosis (RO) water.

Why Reverse Osmosis (Purified) Water?

Reverse osmosis water, also known as purified water, is produced by filtering water through an ultra-fine membrane that removes up to 99% of impurities - including salts, minerals and bacteria. The result is clean, low-mineral water that's perfectly safe for all carnivorous plants. It's a reliable and affordable option when suitable rainwater isn't available, ideal for species such as Venus flytraps, sundews, pitcher plants, butterworts and cobra lilies. Our reverse osmosis water typically measures below 5 PPM (parts per million) on a TDS meter - far purer than most bottled drinking water.

What Not to Use

Avoid regular bottled water, mineral water or sparkling water - including retail brands such as aQuellé, Valpré, H2O to Go, BonAqua and others. These types of bottled drinking water (for humans) may contain minerals and salts, including minerals added to improve taste, that can harm your carnivorous plants over time.

Also note that battery water may contain sulphuric acid or other additives, which are toxic to plants. Do not assume that water sold for batteries or automotive use is suitable for carnivorous plants, even if it appears to be purified or distilled water. Always check the label carefully.

Did You Know?

Reverse osmosis is like osmosis in reverse - by applying pressure, water is pushed through a semi-permeable membrane that filters out contaminants while allowing water molecules to pass through. This makes it one of the most effective methods for producing clean, low-mineral water.

How to Water Carnivorous Plants

The easiest way to water most carnivorous plants is by using the Tray Method - simply place your pots in a shallow tray (about 1 cm deep) and keep a small amount of pure water (rainwater or reverse osmosis) in the base. Allow the tray to dry out slightly before refilling. This keeps the soil evenly moist without becoming waterlogged.

You can also water from the top of the soil and allow the excess to drain away. This helps flush out any mineral build-up or impurities, keeping the soil fresh and healthy.

The goal is to keep the soil consistently moist - never bone-dry or sitting in deep water for too long. Some species, such as Nepenthes, Cephalotus, Mexican butterworts and Drosophyllum, prefer their soil only slightly damp to the touch. Avoid leaving these plants standing in water for extended periods as they are more prone to root rot.

Frequently Asked Questions

Can I use tap water?
Maybe - but test it first. Most municipal and borehole water has a TDS above 50 PPM. Occasional use may not cause immediate problems, but with prolonged tray watering, minerals can build up in the soil because they aren't regularly flushed out. This can damage sensitive roots and mean more frequent repotting.

Can I use boiled tap water?
No. Boiling kills microorganisms but doesn't remove dissolved minerals. As water evaporates, the minerals left behind can actually become more concentrated.

500ml Ready-to-Use Bottle

Purified Water is supplied in a 500ml sealed screw-top bottle, clearly labelled with care and usage instructions for easy use.

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Frequently Asked Question

Why do you use Pargo instead of PUDO?

We partner with Pargo because it forms part of our approved fragile-goods courier network. Parcels are stored indoors at local businesses, protected from heat, direct sunlight and the weather until collection. It's an excellent option if you're not home during the day or prefer collecting your parcel when it's convenient.

To protect every order and uphold our Arrive-Alive Guarantee, we use only Pargo and other approved delivery services trusted to transport fragile and temperature-sensitive plants safely.

• Just a quick heads-up: Since plants are natural products, you might notice some slight variations when unboxing your plants
• We do our best to make sure the plants you receive look like the ones in the photos, but keep in mind that seasons change and plants grow. Some leaves might age and die off, new ones might sprout and the plants may look a bit different over time
• 99% of what we sell are one-of-a-kind collector items, so you will receive the exact plant pictured. The labels are spot on, so even if the plant looks a bit different, we 100% guarantee it's the real deal
• Also, all the photos you see are of our own plants unless we mention otherwise. We update images occasionally to keep things fresh. If you want to see updated pictures before you buy, just let us know – we're happy to help!